Aug 02 11:05:48.192 INFO checking dyon-0.31.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:05:48.193 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:05:48.193 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:05:48.193 INFO running `"docker" "create" "-v" "/tmp/crater.JVXbpijgPfYk:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 11:05:48.463 INFO blam! c01aee244a2b1c3d640bae245a7d581187b198c9733e20266bbc1a6b06b4f974
Aug 02 11:05:48.466 INFO running `"docker" "start" "-a" "c01aee244a2b1c3d640bae245a7d581187b198c9733e20266bbc1a6b06b4f974"`
Aug 02 11:05:49.641 INFO kablam!     Checking dyon v0.31.0 (file:///source)
Aug 02 11:05:53.440 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:05:53.440 INFO kablam!  --> src/lib.rs:1:19
Aug 02 11:05:53.440 INFO kablam!   |
Aug 02 11:05:53.440 INFO kablam! 1 | #![cfg_attr(test, feature(test))]
Aug 02 11:05:53.440 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 11:05:53.444 INFO kablam! 
Aug 02 11:05:53.548 INFO kablam! error: aborting due to previous error
Aug 02 11:05:53.552 INFO kablam! 
Aug 02 11:05:53.552 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:05:53.602 INFO kablam! error: Could not compile `dyon`.
Aug 02 11:05:53.602 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:06:04.508 INFO kablam! error: build failed
Aug 02 11:06:04.509 INFO kablam! su: No module specific data is present
Aug 02 11:06:05.250 INFO running `"docker" "rm" "-f" "c01aee244a2b1c3d640bae245a7d581187b198c9733e20266bbc1a6b06b4f974"`
Aug 02 11:06:05.416 INFO blam! c01aee244a2b1c3d640bae245a7d581187b198c9733e20266bbc1a6b06b4f974